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                            <h1 class="text-xl font-bold text-gray-800">智慧题库</h1>
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                            <input type="text" placeholder="搜索社区话题..." 
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                            <img src="https://picsum.photos/id/64/40/40" alt="用户头像" class="w-8 h-8 rounded-full object-cover border-2 border-transparent group-hover:border-primary transition-all">
                            <span class="hidden md:inline font-medium">张老师</span>
                            <i class="fa fa-angle-down text-gray-400 group-hover:text-primary transition-colors"></i>
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            <!-- 移动端搜索框 -->
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                <div class="relative">
                    <input type="text" placeholder="搜索社区话题..." 
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            <div class="flex flex-1 overflow-hidden">
                <!-- 左侧边栏 - 帮助文档导航 -->
                <aside id="sidebar" class="w-64 bg-white shadow-md transform -translate-x-full lg:translate-x-0 fixed lg:static h-full z-40 transition-transform duration-300 ease-in-out overflow-y-auto scrollbar-hide">
                    <div class="p-4 border-b">
                        <h2 class="font-bold text-lg mb-3">帮助中心</h2>
                        
                        <div class="space-y-1">
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <i class="fa fa-question-circle mr-2"></i>常见问题
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <i class="fa fa-book mr-2"></i>使用指南
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <i class="fa fa-film mr-2"></i>视频教程
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <i class="fa fa-file-text-o mr-2"></i>API文档
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg bg-primary/10 text-primary font-medium">
                                <i class="fa fa-users mr-2"></i>社区交流
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <i class="fa fa-shield mr-2"></i>安全中心
                            </a>
                        </div>
                    </div>
                    
                    <!-- 社区导航 -->
                    <div class="p-4">
                        <h3 class="font-medium text-sm text-gray-500 mb-2">社区交流</h3>
                        <div class="space-y-1">
                            <a href="#" class="nav-link-active block py-2 px-3 rounded-lg">
                                <span class="inline-block w-2 h-2 rounded-full bg-primary mr-2"></span>
                                全部话题
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <span class="inline-block w-2 h-2 rounded-full bg-gray-300 mr-2"></span>
                                技术讨论
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <span class="inline-block w-2 h-2 rounded-full bg-gray-300 mr-2"></span>
                                使用技巧
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <span class="inline-block w-2 h-2 rounded-full bg-gray-300 mr-2"></span>
                                资源分享
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <span class="inline-block w-2 h-2 rounded-full bg-gray-300 mr-2"></span>
                                功能建议
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <span class="inline-block w-2 h-2 rounded-full bg-gray-300 mr-2"></span>
                                官方公告
                            </a>
                            <a href="#" class="block py-2 px-3 rounded-lg hover:bg-gray-100 text-gray-700 transition-colors">
                                <span class="inline-block w-2 h-2 rounded-full bg-gray-300 mr-2"></span>
                                招聘求职
                            </a>
                        </div>
                    </div>
                    
                    <!-- 社区活跃度 -->
                    <div class="p-4 border-t">
                        <h3 class="font-medium text-sm text-gray-500 mb-3">社区活跃度</h3>
                        
                        <div class="bg-gray-50 rounded-lg p-3 mb-3">
                            <div class="flex justify-between items-center mb-2">
                                <span class="text-sm font-medium">今日发帖</span>
                                <span class="text-primary font-bold">128</span>
                            </div>
                            <div class="w-full bg-gray-200 rounded-full h-2">
                                <div class="bg-primary h-2 rounded-full" style="width: 75%"></div>
                            </div>
                        </div>
                        
                        <div class="bg-gray-50 rounded-lg p-3 mb-3">
                            <div class="flex justify-between items-center mb-2">
                                <span class="text-sm font-medium">活跃用户</span>
                                <span class="text-primary font-bold">3,245</span>
                            </div>
                            <div class="w-full bg-gray-200 rounded-full h-2">
                                <div class="bg-primary h-2 rounded-full" style="width: 85%"></div>
                            </div>
                        </div>
                        
                        <div class="bg-gray-50 rounded-lg p-3">
                            <div class="flex justify-between items-center mb-2">
                                <span class="text-sm font-medium">总话题数</span>
                                <span class="text-primary font-bold">12,587</span>
                            </div>
                            <div class="w-full bg-gray-200 rounded-full h-2">
                                <div class="bg-primary h-2 rounded-full" style="width: 90%"></div>
                            </div>
                        </div>
                    </div>
                    
                    <!-- 热门标签 -->
                    <div class="p-4 border-t">
                        <h3 class="font-medium text-sm text-gray-500 mb-3">热门标签</h3>
                        
                        <div class="flex flex-wrap gap-2">
                            <a href="#" class="px-3 py-1 bg-primary/10 text-primary rounded-full text-xs hover:bg-primary/20 transition-colors">新手入门</a>
                            <a href="#" class="px-3 py-1 bg-gray-100 text-gray-700 rounded-full text-xs hover:bg-gray-200 transition-colors">API接口</a>
                            <a href="#" class="px-3 py-1 bg-gray-100 text-gray-700 rounded-full text-xs hover:bg-gray-200 transition-colors">题目导入</a>
                            <a href="#" class="px-3 py-1 bg-gray-100 text-gray-700 rounded-full text-xs hover:bg-gray-200 transition-colors">数据迁移</a>
                            <a href="#" class="px-3 py-1 bg-gray-100 text-gray-700 rounded-full text-xs hover:bg-gray-200 transition-colors">统计分析</a>
                            <a href="#" class="px-3 py-1 bg-gray-100 text-gray-700 rounded-full text-xs hover:bg-gray-200 transition-colors">教材版本</a>
                            <a href="#" class="px-3 py-1 bg-gray-100 text-gray-700 rounded-full text-xs hover:bg-gray-200 transition-colors">移动端</a>
                            <a href="#" class="px-3 py-1 bg-gray-100 text-gray-700 rounded-full text-xs hover:bg-gray-200 transition-colors">教师端</a>
                            <a href="#" class="px-3 py-1 bg-gray-100 text-gray-700 rounded-full text-xs hover:bg-gray-200 transition-colors">管理员</a>
                            <a href="#" class="px-3 py-1 bg-gray-100 text-gray-700 rounded-full text-xs hover:bg-gray-200 transition-colors">功能建议</a>
                        </div>
                    </div>
                </aside>
                
                <!-- 主内容区 -->
                <main class="flex-1 overflow-y-auto bg-gray-50 p-4 lg:p-6">
                    <div class="container mx-auto">
                        <!-- 面包屑导航 -->
                        <div class="flex items-center text-sm text-gray-500 mb-4">
                            <a href="#" class="hover:text-primary">首页</a>
                            <i class="fa fa-angle-right mx-2 text-gray-300"></i>
                            <a href="#" class="hover:text-primary">帮助中心</a>
                            <i class="fa fa-angle-right mx-2 text-gray-300"></i>
                            <span class="text-primary">社区交流</span>
                        </div>
                        
                        <!-- 内容标题区 -->
                        <div class="mb-6">
                            <h2 class="text-[clamp(1.5rem,3vw,2rem)] font-bold text-gray-800">社区交流</h2>
                            <p class="text-gray-500 mt-1">与其他用户交流智慧题库的使用经验和技巧</p>
                        </div>
                        
                        <!-- 社区概览卡片 -->
                        <div class="grid grid-cols-1 md:grid-cols-4 gap-4 mb-6">
                            <div class="bg-white rounded-xl shadow-sm p-5">
                                <div class="flex items-center justify-between">
                                    <div>
                                        <p class="text-gray-500 text-sm">总话题数</p>
                                        <h3 class="text-2xl font-bold text-gray-800 mt-1">12,587</h3>
                                    </div>
                                    <div class="w-12 h-12 rounded-full bg-primary/10 flex items-center justify-center text-primary">
                                        <i class="fa fa-comments-o text-xl"></i>
                                    </div>
                                </div>
                                <div class="mt-4 flex items-center text-xs text-gray-500">
                                    <i class="fa fa-arrow-up text-success mr-1"></i>
                                    <span>较上月增长 12.5%</span>
                                </div>
                            </div>
                            
                            <div class="bg-white rounded-xl shadow-sm p-5">
                                <div class="flex items-center justify-between">
                                    <div>
                                        <p class="text-gray-500 text-sm">活跃用户</p>
                                        <h3 class="text-2xl font-bold text-gray-800 mt-1">3,245</h3>
                                    </div>
                                    <div class="w-12 h-12 rounded-full bg-secondary/10 flex items-center justify-center text-secondary">
                                        <i class="fa fa-users text-xl"></i>
                                    </div>
                                </div>
                                <div class="mt-4 flex items-center text-xs text-gray-500">
                                    <i class="fa fa-arrow-up text-success mr-1"></i>
                                    <span>较上月增长 8.3%</span>
                                </div>
                            </div>
                            
                            <div class="bg-white rounded-xl shadow-sm p-5">
                                <div class="flex items-center justify-between">
                                    <div>
                                        <p class="text-gray-500 text-sm">今日发帖</p>
                                        <h3 class="text-2xl font-bold text-gray-800 mt-1">128</h3>
                                    </div>
                                    <div class="w-12 h-12 rounded-full bg-accent/10 flex items-center justify-center text-accent">
                                        <i class="fa fa-pencil-square-o text-xl"></i>
                                    </div>
                                </div>
                                <div class="mt-4 flex items-center text-xs text-gray-500">
                                    <i class="fa fa-arrow-up text-success mr-1"></i>
                                    <span>较昨日增长 15.2%</span>
                                </div>
                            </div>
                            
                            <div class="bg-white rounded-xl shadow-sm p-5">
                                <div class="flex items-center justify-between">
                                    <div>
                                        <p class="text-gray-500 text-sm">精华话题</p>
                                        <h3 class="text-2xl font-bold text-gray-800 mt-1">568</h3>
                                    </div>
                                    <div class="w-12 h-12 rounded-full bg-success/10 flex items-center justify-center text-success">
                                        <i class="fa fa-star-o text-xl"></i>
                                    </div>
                                </div>
                                <div class="mt-4 flex items-center text-xs text-gray-500">
                                    <i class="fa fa-arrow-up text-success mr-1"></i>
                                    <span>较上月增长 5.7%</span>
                                </div>
                            </div>
                        </div>
                        
                        <!-- 发帖按钮 -->
                        <div class="mb-6">
                            <button class="px-6 py-3 bg-primary text-white rounded-lg text-sm font-medium hover:bg-primary/90 transition-colors flex items-center">
                                <i class="fa fa-pencil-square-o mr-2"></i>
                                发布新话题
                            </button>
                        </div>
                        
                        <!-- 话题列表 -->
                        <div class="bg-white rounded-xl shadow-sm overflow-hidden mb-8">
                            <!-- 筛选栏 -->
                            <div class="p-4 border-b border-gray-100 flex flex-wrap items-center justify-between gap-4">
                                <div class="flex flex-wrap gap-2">
                                    <button class="px-4 py-2 bg-primary text-white rounded-lg text-sm">全部</button>
                                    <button class="px-4 py-2 bg-gray-100 text-gray-700 rounded-lg text-sm hover:bg-gray-200 transition-colors">精华</button>
                                    <button class="px-4 py-2 bg-gray-100 text-gray-700 rounded-lg text-sm hover:bg-gray-200 transition-colors">已解决</button>
                                    <button class="px-4 py-2 bg-gray-100 text-gray-700 rounded-lg text-sm hover:bg-gray-200 transition-colors">未解决</button>
                                </div>
                                
                                <div class="flex items-center gap-2">
                                    <select class="appearance-none bg-gray-100 rounded-lg px-3 py-2 pr-8 focus:outline-none focus:ring-1 focus:ring-primary text-sm">
                                        <option>最新回复</option>
                                        <option>最新发布</option>
                                        <option>热门程度</option>
                                        <option>浏览最多</option>
                                    </select>
                                    
                                    <div class="relative">
                                        <input type="text" placeholder="搜索话题..." 
                                            class="pl-10 pr-4 py-2 rounded-lg bg-gray-100 focus:outline-none focus:ring-1 focus:ring-primary text-sm w-full md:w-64">
                                        <i class="fa fa-search absolute left-3 top-1/2 transform -translate-y-1/2 text-gray-400"></i>
                                    </div>
                                </div>
                            </div>
                            
                            <!-- 话题列表 -->
                            <div class="divide-y divide-gray-100">
                                <!-- 置顶话题 -->
                                <div class="p-4 thread-card">
                                    <div class="flex items-start">
                                        <img src="https://picsum.photos/id/1/40/40" alt="用户头像" class="w-10 h-10 rounded-full object-cover">
                                        
                                        <div class="ml-3 flex-1">
                                            <div class="flex items-center justify-between">
                                                <div class="flex items-center flex-wrap gap-1">
                                                    <span class="badge-hot">热门</span>
                                                    <span class="badge-new">置顶</span>
                                                    <h3 class="font-medium">智慧题库 v2.5 版本更新公告及新功能介绍</h3>
                                                </div>
                                                
                                                <div class="text-gray-500 text-sm">
                                                    <span>2小时前</span>
                                                </div>
                                            </div>
                                            
                                            <div class="mt-2 text-gray-600 text-sm">
                                                本次更新主要包括题目批量导入优化、知识点关联增强、统计分析功能完善等多项改进，欢迎大家体验并反馈意见。
                                            </div>
                                            
                                            <div class="mt-3 flex items-center justify-between">
                                                <div class="flex items-center text-sm text-gray-500">
                                                    <span class="flex items-center mr-4"><i class="fa fa-user-o mr-1"></i> 管理员</span>
                                                    <span class="flex items-center mr-4"><i class="fa fa-eye mr-1"></i> 2,456</span>
                                                    <span class="flex items-center mr-4"><i class="fa fa-comment-o mr-1"></i> 128</span>
                                                    <span class="flex items-center"><i class="fa fa-thumbs-o-up mr-1"></i> 89</span>
                                                </div>
                                                
                                                <div class="flex items-center">
                                                    <img src="https://picsum.photos/id/2/30/30" alt="最后回复用户" class="w-6 h-6 rounded-full object-cover">
                                                    <span class="ml-1 text-sm text-gray-500">李老师</span>
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                                
                                <!-- 精华话题 -->
                                <div class="p-4 thread-card">
                                    <div class="flex items-start">
                                        <img src="https://picsum.photos/id/2/40/40" alt="用户头像" class="w-10 h-10 rounded-full object-cover">
                                        
                                        <div class="ml-3 flex-1">
                                            <div class="flex items-center justify-between">
                                                <div class="flex items-center flex-wrap gap-1">
                                                    <span class="badge-solved">已解决</span>
                                                    <span class="badge-hot">热门</span>
                                                    <span class="badge-new">精华</span>
                                                    <h3 class="font-medium">智慧题库题目批量导入技巧分享</h3>
                                                </div>
                                                
                                                <div class="text-gray-500 text-sm">
                                                    <span>昨天</span>
                                                </div>
                                            </div>
                                            
                                            <div class="mt-2 text-gray-600 text-sm">
                                                分享一下我使用智慧题库批量导入题目的经验，包括格式要求、常见问题及解决方案，希望对大家有所帮助。
                                            </div>
                                            
                                            <div class="mt-3 flex items-center justify-between">
                                                <div class="flex items-center text-sm text-gray-500">
                                                    <span class="flex items-center mr-4"><i class="fa fa-user-o mr-1"></i> 王老师</span>
                                                    <span class="flex items-center mr-4"><i class="fa fa-eye mr-1"></i> 1,876</span>
                                                    <span class="flex items-center mr-4"><i class="fa fa-comment-o mr-1"></i> 95</span>
                                                    <span class="flex items-center"><i class="fa fa-thumbs-o-up mr-1"></i> 124</span>
                                                </div>
                                                
                                                <div class="flex items-center">
                                                    <img src="https://picsum.photos/id/3/30/30" alt="最后回复用户" class="w-6 h-6 rounded-full object-cover">
                                                    <span class="ml-1 text-sm text-gray-500">赵老师</span>
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                                
                                <!-- 普通话题 -->
                                <div class="p-4 thread-card">
                                    <div class="flex items-start">
                                        <img src="https://picsum.photos/id/3/40/40" alt="用户头像" class="w-10 h-10 rounded-full object-cover">
                                        
                                        <div class="ml-3 flex-1">
                                            <div class="flex items-center justify-between">
                                                <div>
                                                    <h3 class="font-medium">请教一下，如何将题库与教材版本进行关联？</h3>
                                                </div>
                                                
                                                <div class="text-gray-500 text-sm">
                                                    <span>3天前</span>
                                                </div>
                                            </div>
                                            
                                            <div class="mt-3 flex items-center justify-between">
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                                                    <span class="flex items-center mr-4"><i class="fa fa-comment-o mr-1"></i> 24</span>
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                                                    <span>2周前</span>
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                                                    <span class="flex items-center mr-4"><i class="fa fa-eye mr-1"></i> 421</span>
                                                    <span class="flex items-center mr-4"><i class="fa fa-comment-o mr-1"></i> 15</span>
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                                    <span class="text-xs text-gray-500">发帖 76</span>
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                                    <span class="font-medium text-sm">刘老师</span>
                                    <span class="text-xs text-gray-500">发帖 65</span>
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                                    <span class="font-medium text-sm">孙老师</span>
                                    <span class="text-xs text-gray-500">发帖 54</span>
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